GB/T 12459  弯头 DN 350-1690ELo00 STt@40(4ffR041

DN 350-16 90ELo00 STt@40(4ffR041

BL 32-40 RFD=1F/b)-0@4RF500 ST ScFFSF.5Sch12.5 RJ-R�

PL 200(B)-16 RF

SO50-150RFF-chmpampampquoth

WN400(B)-16 RF S =12

WN25(A)-160 RFS==605-1.0f0 RFu@40

2 C-M1300-1rF80R5-150RF S

WN80-150 RFampampa0023

支腿 B2

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